I'm trying to hook up a rotary encoder to my VK202-25's keypad input. (A rotary encoder is similar to what's used in a mouse wheel, for those who don't know. Perfect for selection when mounted like a radio knob.) The trouble is how to get the signal that these things generate to be useful when plugg...

Unanimity is a wonderful thing...

This is an automobile application where there will be both direct sunlight and complete darkness, both cold and hot environment, viewed at many angles. Any suggestions on whether to go VFD or LCD? If VFD is OK in direct sunlight can it be dimmed in darkness? How is LCD speed at -5C?